ARCIW Archimedes Tech SPAC Partners III Co.: institutional ownership and insider trading
42 funds reported holding $3.64M of Archimedes Tech SPAC Partners III Co. in their latest 13F filings; in Q2 2026 funds net bought $864K, with 15 new positions and 3 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.
ARCIW revenue and earnings
- Quarter ended Jun 30, 2026: revenue n/a, net income $2.29M
- Quarter ended Mar 31, 2026: revenue n/a, net income $1.57M
Famous investors holding ARCIW
- Izzy Englander (Millennium Management): $178K, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $79.7K, 0.0% of the portfolio
Largest institutional holders of ARCIW
- BOOTHBAY FUND MANAGEMENT, LLC — $250K
- Centiva Capital, LP — $243K
- Magnetar Financial LLC — $225K
- LINDEN ADVISORS LP — $188K
- TENOR CAPITAL MANAGEMENT Co., L.P. — $188K
- Alberta Investment Management Corp — $188K
- MILLENNIUM MANAGEMENT LLC — $178K
- Governors Lane LP — $156K
- K2 PRINCIPAL FUND, L.P. — $154K
- ADAGE CAPITAL PARTNERS GP, L.L.C. — $150K
Recent ARCIW insider trades
- Jan 26, 2026: Archimedes Tech SPAC Sponsors III LLC bought 390,000 shares ($0)
- Jan 26, 2026: Long Long bought 390,000 shares ($0)
5%+ owners
- Adage Capital Management, L.P.: 5.1% (Schedule 13G, filed May 13, 2026)
Who owns the most ARCIW stock?
The largest institutional holders of Archimedes Tech SPAC Partners III Co. in the latest 13F filings are BOOTHBAY FUND MANAGEMENT, LLC ($250K), Centiva Capital, LP ($243K), Magnetar Financial LLC ($225K).
Are insiders buying or selling ARCIW?
No open-market insider buys or sells of Archimedes Tech SPAC Partners III Co. were reported in the last 12 months.
Which famous investors own ARCIW?
Izzy Englander, D. E. Shaw.